旱地春小麦机械条播田间肥效试验初报

Preliminary Report on the Field Fertilizer Efficiency Experiment of Mechanical Row Sowing of Spring Wheat in Dry Land

摘要: 本试验以旱地春小麦定西49号为供试品种，采用机械条播栽培方式，探究不同氮磷钾配比施肥对旱地春小麦生育期、经济性状及产量的影响，旨在明确旱地机械条播条件下春小麦的最佳施肥方案。试验结果表明：在定西旱地春小麦机械条播生产中，氮磷钾配方施肥增产效果显著，其中以N 150 kg/hm²、P₂O₅ 100 kg/hm²、K₂O 50 kg/hm²为最佳施肥方案，最高产量达5355.6 kg/hm²，较不施肥对照增产11.6%。

Abstract: This experiment took the dry land spring wheat Dingxi 49 as the test variety and adopted mechanical row sowing cultivation method to explore the effects of different ratios of nitrogen, phosphorus and potassium fertilization on the growth period, economic traits and yield of dry land spring wheat, aiming to determine the optimal fertilization plan for spring wheat under mechanical row sowing conditions in dry land. The test results show that in the mechanical row sowing production of spring wheat in Dingxi dry land, the formula fertilization of nitrogen, phosphorus and potassium has a significant yield-increasing effect. Among them, N 150 kg/hm², P₂O₅ 100 kg/hm² and K₂O 50 kg/hm² are the best fertilization schemes, with the highest yield reaching 5355.6 kg/hm², which is 11.6% higher than the control without fertilization.